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Livermore
Livermore
ZHEN

Citadel Advisors LLC

SEC CIK
0001423053
Latest filing
Sep 1, 2026

COST holding history

Costco Wholesale Corp in every 13F filed by Citadel Advisors LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

COST overviewAll 13F holders of COSTFull Q2 2026 holdings

Shares (Q2 2026)
509,661
Value
$476.8M
% of portfolio
0.3%
Quarters held
21
Since Q1 2021
Holdings of COST by Citadel Advisors LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026509,661$476.8M0.3%−35,134−6.4%ReducedHolders
Q1 2026544,795$542.9M0.4%−69,823−11.4%ReducedHolders
Q4 2025614,618$530.0M0.4%+138,488+29.1%AddedHolders
Q3 2025476,130$440.7M0.4%+422,238+783.5%AddedHolders
Q2 202553,892$53.3M<0.1%−472,383−89.8%ReducedHolders
Q1 2025526,275$497.7M0.5%+256,275+94.9%AddedHolders
Q4 2024270,000$247.4M0.2%+237,780+738.0%AddedHolders
Q3 202432,220$28.6M<0.1%+32,220NewHolders
Q2 20240$00.0%−124,182−100.0%Sold outHolders
Q1 2024124,182$91.0M0.1%−189,410−60.4%ReducedHolders
Q4 2023313,592$207.0M0.2%+227,592+264.6%AddedHolders
Q3 202386,000$48.6M0.1%−139,225−61.8%ReducedHolders
Q2 2023225,225$121.3M0.1%+139,065+161.4%AddedHolders
Q1 202386,160$42.8M<0.1%−370,715−81.1%ReducedHolders
Q4 2022456,875$208.6M0.2%+168,360+58.4%AddedHolders
Q3 2022288,515$136.3M0.2%+55,024+23.6%AddedHolders
Q2 2022233,491$111.9M0.2%−263,355−53.0%ReducedHolders
Q1 2022496,846$286.1M0.3%+429,284+635.4%AddedHolders
Q4 202167,562$38.4M<0.1%+11,583+20.7%AddedHolders
Q3 202155,979$25.2M<0.1%−20,571−26.9%ReducedHolders
Q2 202176,550$30.3M<0.1%−581,878−88.4%ReducedHolders
Q1 2021658,428$232.1M0.2%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.